Aspate of videos uploaded to YouTube claim to show victories by Russian-backed separatists during intensified fighting in eastern Ukraine.
Radio Free Europe/Radio Liberty: Disturbing videos raise war crimes concerns in Ukraine
Captive Ukrainian soldiers kneel as the leader of the self-declared Donetsk People's Republic Alexander Zakharchenko (L) stands and members of the media film at a bus stop where 13 people were killed in a trolleybus shelling in Donetsk, eastern Ukraine.
